Finding the Fourth Proportional to 106,169,423.34, 146,478,765.78 and 86,556,593.28
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Solution
The fourth proportional to 106,169,423.34, 146,478,765.78 and 86,556,593.28 is: 119,419,533.00
Step by Step Solution
- Step 1: Write the proportion equation
106,169,423.34 : 146,478,765.78 = 86,556,593.28 : x - Step 2: Convert to fraction form
106,169,423.34/146,478,765.78 = 86,556,593.28/x - Step 3: Cross multiply
106,169,423.34x = 146,478,765.78 × 86,556,593.28 - Step 4: Simplify right side
106,169,423.34x = 12,678,702,953,775,842 - Step 5: Solve for x
x = 12,678,702,953,775,842/106,169,423.34 - Step 6: Final answer
x = 119,419,533.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.